TY - JOUR AU - erwin, erwin AU - Kiyatmoko, Tomi TI - Retinal Vessel Extraction Using Dynamic Threshold And Enhancement Image Filter From Retina Fundus JO - Journal of Information Systems and Telecommunication (JIST) VL - 6 IS - 24 SP - 189 EP - 196 PY - 2019 DO - 10.7508/jist.2018.04.001 ER -